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EN 1.4122 Stainless Steel vs. EN 1.8823 Steel

Both EN 1.4122 stainless steel and EN 1.8823 steel are iron alloys. They have 82% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4122 stainless steel and the bottom bar is EN 1.8823 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14
25
Fatigue Strength, MPa 260 to 360
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 480 to 520
340
Tensile Strength: Ultimate (UTS), MPa 790 to 850
530
Tensile Strength: Yield (Proof), MPa 450 to 630
360

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.6
Embodied Energy, MJ/kg 33
22
Embodied Water, L/kg 120
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 31
19
Strength to Weight: Bending, points 25 to 26
19
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 28 to 30
16

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 0.33 to 0.45
0 to 0.16
Chromium (Cr), % 15.5 to 17.5
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 77.2 to 83.4
95.6 to 99.985
Manganese (Mn), % 0 to 1.5
0 to 1.7
Molybdenum (Mo), % 0.8 to 1.3
0 to 0.13
Nickel (Ni), % 0 to 1.0
0 to 0.55
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.017
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.12